Explanation:
The poet is describing the journey towards the goals and dreams he has, and therefore encourages us through his words not to get tired, to move on, to keep fighting for our goals, for what we really want to do in life, it is a poet with a motivational message that teaches us that with efforts and with a positive attitude we can achieve what we want.
The role of a foil in a literary work to to provide contrast against the protagonist, in order to further highlight one or more characteristics of the protagonist.
I don't know I didn't see the poem